Dental floss holder



FIG. 1 is an end view taken at 1--1, FIG. 3 of a dental floss holder showing my new design;

FIG. 2 is an end view thereof taken at 2--2, FIG. 3;

FIG. 3 is a left-side elevational view thereof; the right side is a mirror-image thereof;

FIG. 4 is a face view;

FIG. 5 is a back view thereof, with one part of the holder in an alternative position; and

FIG. 6 is a fragmentary detail, partially in section, taken at 6--6, FIG. 5. 

The ornamental design for a dental floss holder, substantially as shown and described. 